blk-mq: I/O and timer unplugs are inverted in blktrace
trace_block_unplug() takes true for explicit unplugs and false for implicit unplugs. schedule() unplugs are implicit and should be reported as timer unplugs. While correct in the legacy code, this has been inverted in blk-mq since 4.11. Cc: stable@vger.kernel.org Fixes: bd166ef1 ("blk-mq-sched: add framework for MQ capable IO schedulers") Reviewed-by:Omar Sandoval <osandov@fb.com> Signed-off-by:
Ilya Dryomov <idryomov@gmail.com> Signed-off-by:
Jens Axboe <axboe@kernel.dk>
parent
0f843e65
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